Table 4. Meta-analysis of Rate Ratios of Any or Exclusive Breastfeeding, by Timing of Breastfeeding Interventions
| Intervention Timing |
Initiation |
Short-Term |
Intermediate-Term |
Long-Term |
| Studies, n |
Rate Ratio(95% CI) |
Studies, n |
Rate Ratio(95% CI) |
Studies, n |
Rate Ratio(95% CI) |
Studies, n |
Rate Ratio(95% CI) |
| Any breastfeeding |
| Prenatal |
7 |
1.03 (0.981.08) |
5 |
1.37 (1.141.64) |
1 |
0.98 (0.831.15) |
3 |
0.96 (0.871.06) |
| Postpartum |
3 |
0.97 (0.951.00) |
6 |
1.07 (0.981.17) |
5 |
0.98 (0.831.16) |
6 |
1.25 (0.941.66) |
| Combined |
6 |
1.09 (0.931.27) |
7 |
1.09 (0.951.24) |
5 |
1.15 (1.011.31) |
2 |
1.38 (1.331.43) |
| Exclusive breastfeeding |
| Prenatal |
6 |
1.03 (0.931.14) |
3 |
1.52 (1.221.90) |
0 |
|
4 |
1.27 (0.921.75) |
| Postpartum |
3 |
1.05 (0.961.13) |
5 |
1.19 (1.071.33) |
3 |
1.03 (0.621.70) |
2 |
1.60 (1.102.32) |
| Combined |
4 |
1.18 (0.941.47) |
9 |
2.14 (0.954.81) |
1 |
5.00 (0.24102) |
5 |
3.01 (0.939.77) |
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